Astatine structure

Astatine

TL;DR: Astatine (CAS 31665-25-5) is a chemical compound with molecular formula At2 and molecular weight 419.97 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

astatanylastatine

Also Known As: ASTATINE, astatanylastatine, diastatine, ALABAMINE, HELVETIUM

CAS: 31665-25-5
Molecular Formula At2
Molecular Weight 419.97 g/mol
LogP 0.0
Topological Polar Surface Area 0.0 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 0
Rotatable Bonds 0
Exact Mass 419.9743
Heavy Atoms 2
Complexity 0.0

Chemical Identifiers

CAS Number 31665-25-5
SMILES [At][At]

Product Overview

Astatine (CAS 31665-25-5), with molecular formula At2 and molecular weight 419.97 g/mol. IUPAC: astatanylastatine.

🧪
Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
View MSDS →

Chemical Property Profile of Astatine

XLogP
0.0
TPSA (Topological Polar Surface Area)
0.0
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
0
Rotatable Bonds
0
Heavy Atoms
2
Complexity
0.0
Exact Mass
419.9743
Monoisotopic Mass
419.9743
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of Astatine

The XLogP value of 0.0 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Astatine. With a topological polar surface area (TPSA) of 0.0 Ų, Astatine exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Astatine has 0 hydrogen bond donor(s) and 0 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of Astatine?

The CAS number of Astatine is 31665-25-5.

What is the molecular formula of Astatine?

The molecular formula of Astatine is At2.

What is the molecular weight of Astatine?

The molecular weight of Astatine is 419.97 g/mol.

Where can I buy Astatine?

You can request a quote for Astatine directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Astatine?

Yes, KEHONG BIO provides custom synthesis services for Astatine and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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